Deck 4: Biodiversity and Evolution
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Deck 4: Biodiversity and Evolution
1

For natural selection to occur,an adaptive trait ____.
A) must be a physical trait
B) must be a physiological trait
C) must be a psychological trait
D) must be a heritable trait
E) cannot be a heritable trait
D
2

What is the ability of one or more organisms in a population to tolerate a chemical designed to kill it,such as when bacteria tolerate antibiotics?
A) genetic adaptation
B) genetic strength
C) genetic mutation
D) genetic resistance
E) genetic tolerance
D
3

Research performed by Edward O.Wilson on ____ has been applied to the study and understanding of other social organisms,including humans.
A) ants
B) worms
C) bees
D) chimpanzees
E) elephants
A
4

From a scientific point of view,which of the following is true?
A) Evolution leads to survival of the strongest.
B) Evolution leads to survival of the most valuable.
C) Organisms develop traits because they need them.
D) Fitness is a matter of reproductive success.
E) Evolution follows a plan of nature.
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5

Biological evolution by natural selection is when genes ____,individuals ____,and populations ____.
A) evolve;mutate;are selected
B) are selected;mutate;evolve
C) mutate;evolve;are selected
D) evolve;are selected;mutate
E) mutate;are selected;evolve
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6

Which of the following is least associated with biodiversity?
A) functional diversity
B) genetic diversity
C) geological diversity
D) ecological diversity
E) species diversity
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7

The diversity that enables life on the earth to adapt and survive environmental changes is called ____.
A) functional diversity
B) genetic diversity
C) cognitive diversity
D) ecosystem diversity
E) species diversity
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8

According to the International Union for Conservation of Nature (IUCN),about ____% of all known amphibian species are threatened with extinction.
A) 15
B) 24
C) 33
D) 49
E) 67
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9

The scientific study of insects is called ____.
A) limnology
B) ornithology
C) ichthyology
D) entomology
E) herpetology
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10

The four components of biodiversity increase the ____ of ecosystems and increase the resistance of ecosystems to harmful invasive species.
A) evenness
B) function
C) strength
D) stability
E) fitness
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11

In some habitats,the extinction of certain amphibian species could lead to the ____ of certain species of other amphibians,aquatic insects,reptiles,birds,fish,and mammals.
A) natural selection
B) speciation
C) coevolution
D) proliferation
E) extinction
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12

The variety of terrestrial and aquatic ecosystems found in an area or on the earth is called ____.
A) species diversity
B) ecological diversity
C) functional diversity
D) geological diversity
E) genetic diversity
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13

Compounds found in the ____ of certain amphibians have been isolated and used in pharmaceutical products.
A) skin secretions
B) gut contents
C) fatty tissue
D) brain matter
E) saliva
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14

What human adaptation may enable us to live more sustainably by understanding and copying the ways in which nature has sustained itself for billions of years,despite major changes in environmental conditions?
A) our ability to use tools
B) our genes can change over time
C) our physical strength
D) our complex brain
E) our biological fitness is superior to other animals
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15

Many of the earth's plant species depend on ____ to pollinate their flowers.
A) small rodents
B) large mammals
C) amphibians
D) insects
E) humans
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16

What are amphibians?
A) invertebrates that live part of their lives in water and part on land
B) invertebrates that live on land,near water
C) vertebrates with secretory skin glands that makes them slimy
D) vertebrates that live part of their lives in water and part on land
E) vertebrates that live on land,near water
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17

Why do species such as humans take a much longer time (thousands to millions of years)to adapt through natural selection than species such as bacteria and insects?
A) Species such as humans are limited geographically.
B) Species such as humans are much larger in size.
C) Species such as humans are limited by reproductive capacity.
D) Species such as humans are limited by biological fitness.
E) Species such as humans are limited by natural selection.
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18

One contributing factor of the declines in many frog species is that frog eggs have ____.
A) shells that prevent frog embryos from hatching easily
B) shells that are permeable to water pollutants
C) no shells to protect from embryos from predation
D) no shells to protect frog embryos from dehydration
E) no shells to protect frog embryos from water pollutants
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19

What adaptation has allowed humans to increase our chances of survival and reproduction through gripping and using tools?
A) walking upright on two legs
B) physical strength
C) complex brain
D) opposable thumbs
E) five digits on each hand
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20

What is the variety of processes,including matter cycling and energy flow within ecosystems,which result from species interacting with one another in food webs?
A) functional diversity
B) genetic diversity
C) intellectual diversity
D) ecosystem diversity
E) species diversity
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21

When a species becomes extinct over a large region,but not worldwide,it is called ____.
A) background extinction
B) partial extinction
C) global extinction
D) mass extinction
E) local extinction
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22

Fossils tell us about the long history of life on the earth and so far,our fossil record probably represents ____ of all species that have ever lived.
A) 1%
B) 5%
C) 20%
D) 50%
E) 75%
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23
Mass extinctions,with 25-95% of species going extinct,have occurred how many times in the history of the earth?
A) 1 or 2
B) 3-5
C) 6-8
D) 9-12
E) 20-23
A) 1 or 2
B) 3-5
C) 6-8
D) 9-12
E) 20-23
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24

What term describes the number of different species in a given area?
A) speciation
B) species evenness
C) species niche
D) species richness
E) habitat
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25

The process whereby the earth's life changes over time through changes in genes of populations of organisms in succeeding generations is called ____.
A) emigration
B) mutation
C) natural selection
D) evolution
E) genetic drift
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26

The process in which individuals with certain traits are more likely to survive and reproduce under a particular set of environmental conditions than are those without the trait is called ____.
A) natural selection
B) adaptability
C) genetic drift
D) mutation
E) scientific theory
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27

The fact that tectonic plates drift influences evolution by ____.
A) increasing the level of carbon dioxide
B) changing the earth's climate
C) changing the spin of the earth
D) decreasing soil nutrient richness
E) changing magnetic fields and disrupts migration patterns
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28

The earth's biodiversity is determined by the balance between ____.
A) geographic isolation and reproductive isolation
B) speciation and extinction
C) mass extinction and background extinction
D) speciation and genetic engineering
E) reproductive isolation and extinction
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29

A measure of the relative abundance,or the comparative numbers of individuals of each species present,is called ____.
A) species richness
B) species abundance
C) species diversity
D) species evenness
E) species counts
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30

Which of the following is true?
A) The higher the species richness,the lower the productivity
B) The higher the species richness,the lower the sustainability
C) The lower the species richness,the more the productivity
D) The lower the species richness,the more the sustainability
E) The higher the species richness,the more the sustainability
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31

According to some scientists,the more diverse an ecosystem is,the ____ it will be.
A) less productive
B) less abundant
C) less even
D) more productive
E) more even
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32

Geographic isolation may result from ____.
A) reproductive isolation
B) artificial selection
C) mountain ranges
D) extinction
E) speciation
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33

The earth has sustained life for ____ years.
A) 1.5 million
B) 3.5 million
C) 1.5 billion
D) 3.5 billion
E) 1.5 trillion
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34

Which of the following would be the least likely cause for the decline of amphibians?
A) habitat destruction
B) prolonged rainy periods
C) pollution
D) increases in UV radiation
E) parasites
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35

Scientists are now able to produce desirable traits in some organisms by adding,deleting,or changing segments of its DNA.This process is known as ____.
A) genetic modification
B) genetic engineering
C) genetic drift
D) mutation
E) speciation
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36

Under certain circumstances,natural selection can lead to an entirely new species.a process called ____.
A) genetic drift
B) genetic isolation
C) diversification
D) speciation
E) mutation
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37

The variety in the genetic makeup of individuals in a population is known as ____.
A) heritability
B) gene flow
C) genetic variability
D) genetic differences
E) genetic drift
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38

The role a species plays in its ecosystem is its ____.
A) function
B) habitat
C) ecological niche
D) geographical location
E) ecological job
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39

Changes in the DNA molecules of a gene in any cell that can be inherited by offspring are called ____.
A) adaptations
B) mutagens
C) mutations
D) variable traits
E) selected traits
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40

Who was responsible for providing a convincing explanation of how organisms change over time and are descended from a single common ancestor through the mechanism of natural selection?
A) Charles Darwin
B) Alfred Russel Wallace
C) Edward O.Wilson
D) Charles Darwin and Alfred Russel Wallace
E) Charles Darwin and Edward O.Wilson
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41

Many of the world's amphibian species are adapting rapidly to the environmental changes that are taking place in their habitats,which have been caused by human activities during the past few decades.
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42

Survival of the fittest refers to those individuals that leave the most descendants.
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43

Biodiversity is a vital part of the natural capital that sustains all life.
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44

Long-term climate changes determine where plant and animal species can survive.
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45

The loss of a(n)____ can lead to population crashes and extinctions of other species in a community that depends on them for certain ecosystem services.
A) foundation species
B) indicator species
C) native species
D) keystone species
E) specialist species
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46

Most mutations occur because of exposure to artificial external agents,such as radiation.
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47

Non-native species can spread rapidly if they find a new location with favorable conditions,often because they do not face the same ____ that they face in their native niches.
A) temperatures
B) precipitation ranges
C) pollinators
D) predators
E) soil nutrients
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48

Today,the ____ is among the most threatened of all species in the world,with only 1,600 to 3,000 individuals left in the wild.
A) killer whale
B) American alligator
C) American bullfrog
D) giant panda
E) koala
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49

Most of what we know about the history of life on the earth comes from fossils.
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50

Which of the following is true of specialist species?
A) They can live in many different places.
B) They can eat a wide variety of foods.
C) They can tolerate a narrow range of climatic conditions.
D) They can tolerate a wide range of environmental conditions.
E) They are less prone to extinction.
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51

Before conservation efforts facilitated their comeback,the American alligator population was nearly completely wiped out primarily because of ____.
A) parasites
B) diseases
C) hunters
D) land developers
E) pollution
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52

A species with a broad niche is considered a(n)____.
A) endemic species
B) endangered species
C) specialist species
D) native species
E) generalist species
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53

Which of the following does not describe an element of an ecological niche?
A) the place where the species lives
B) how much water the species needs
C) how much sunlight the species needs
D) how much space the species needs
E) temperatures the species can tolerate
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54

The fossils found so far probably represent about 50% of the species that have ever lived.
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55

Endemic species are particularly vulnerable to extinction.
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56

Which of the following would not be considered a generalist species?
A) humans
B) cockroaches
C) pandas
D) raccoons
E) white-tailed deer
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57

In speciation,two species interbreed to form one new species.
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58

Genetic engineering allows scientists to transfer genes between different species that would not interbreed in nature.
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59

Species that provide early warnings of damage to a community or an ecosystem are called ____.
A) foundation species
B) indicator species
C) keystone species
D) endemic species
E) endangered species
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60

Which of the following is another name for a nonnative species?
A) native
B) invasive
C) keystone
D) indicator
E) foundation
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61

____________________ diversity is the most obvious component of biodiversity.
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62

According to the International Union for Conservation of Nature,more than ____ percent of all known amphibian species are declining in numbers.
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63

Any heritable trait that improves the ability of an organism to survive and to reproduce at a higher rate than other individuals in a population are able to do under prevailing environmental conditions is a(n)____________________.
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64

New species form when one species splits into two or more different species,a process called _______________.
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65

Approximately 200-250 million years ago,all of the earth's present day continents were connected in a super continent known as ____________________.
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66

Large regions such as forests,deserts,and grasslands,with distinct climates and species,are called _______________.
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67

Species that migrate into,or that are deliberately or accidentally introduced into,an ecosystem are called ____________________.
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68

The loss of a(n)____________________ species can lead to population crashes and extinctions of other species in a community that depend on it.
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69

The number of species on the planet at any time is a result of the interaction between the processes of ____________________ and ____________________.
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70

Species that are only found in one area are called _______________ and are especially vulnerable to extinction.
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71

A(n)____________________ is a significant increase in extinction rates above the background level.
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72

In geologic history,mass extinctions have been followed by an increase in species diversity.
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73

The world's entire body of discovered fossils is called the ____________________.
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74

Keystone species have a large effect on the types and abundances of other species in an ecosystem.
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75

A temperate rain forest is likely to have high species evenness and low species richness.
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76

Charles Darwin and ____________________ both came up with the concept of natural selection as the mechanism for biological evolution.
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77

Even if a beneficial heritable trait is present in a population,the population's ability to adapt may be limited by its ____________________.
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78

Genetic variability in a population is the result of ____________________.
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79

Estimates indicate the average annual background extinction rate is one species lost for each million species on earth per year.
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80

Under rapidly changing environmental conditions it is better to be a specialist species.
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